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Mashutka [201]
4 years ago
15

Simplify the polynomial expression: (3y2+y+10)−(2y2−7y+12)

Mathematics
1 answer:
masya89 [10]4 years ago
4 0
The answer to the question

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5. Ms. Peregrino is using her cards to call on
Ira Lisetskai [31]

Answer: 2/34

Step-by-step explanation: there are 2 sticks with the same name and the total number of students are 34 so its 2/34

7 0
3 years ago
20 points please help!!!
Mamont248 [21]

Answer:

a = 16

b = \frac{3}{4}

Step-by-step explanation:

Length of the design 16 inches is represented by the point (0, 16) and length of 12 inches by (1, 12).

That means these points lie on the graph of the function 'f' represented by,

f(x) = a(b)ˣ

For the point (0, 16),

f(0) = a(b)⁰

16 = a(1)

a = 16

For another point (1, 12),

f(1) = a(b)¹

12 = ab

12 = 16(b) [Since a = 16]

b = \frac{12}{16}

b = \frac{3}{4}

Therefore, values of a and b are 16 and \frac{3}{4} respectively.

3 0
3 years ago
add the term that makes the given expression into a perfect square. write the result as the square of a bracketed expression c s
Molodets [167]
<h2>Perfect Squares</h2>

Perfect square formula/rules:

  • a^2+2ab+b^2=(a+b)^2
  • a^2-2ab+b^2=(a-b)^2

Trinomials are often organized like ax^2+bx+c.

The <em>b</em> value in this case is <em>c</em>, and it will always equal the square of half of the <em>b</em> value.

  • Perfect square trinomial: ax^2+bx+(\dfrac{b}{2})^2
  • or ax^2-bx+(\dfrac{b}{2})^2

<h2>Solving the Question</h2>

We're given:

  • c^2-4c

In a trinomial, we're given the ax^2 and bx values. <em>a</em> in this case is 1 and <em>b</em> in this case is 4. To find the third value by dividing 4 by 2 and squaring the quotient:

  • 4 ÷ 2 = 2
  • 2² = 4

Therefore, the term that we can add is + 4.

c^2-4c+4

To write this as the square of a bracketed expression, we can follow the rule a^2-2ab+b^2=(a-b)^2:

(c-2)^2

<h2>Answer</h2>

c^2-4c+4

(c-2)^2

4 0
2 years ago
GET T-F OUT OF HERE MATE
Alisiya [41]

Answer:

ok mate

Step-by-step explanation:

3 0
3 years ago
HELP ASAPPPPPPP !!!!!
Ratling [72]

Answer: 270

Step-by-step explanation: 270

First you found out how many meter per second

Second you have to mutiply 120x6=270

Last but not least it will be 270m for 120 seconds

OR

you could add 6 120 times

But its way more easy up top

#SubToPewds :D

5 0
3 years ago
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